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Author Topic: 4020 USB UNID Tone/Alarm? 03/02/16 0114 UTC  (Read 2774 times)

Offline Jordan_Pirate_Hunter

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4020 USB UNID Tone/Alarm? 03/02/16 0114 UTC
« on: February 03, 2017, 0120 UTC »
Came across this on 4020 USB with the same tone? Sounds like some sort of alarm. 0113 UTC Icom R70 - ALA1530LN - Armagh, Northern Ireland

https://www.youtube.com/watch?v=efmxrrd54rU
Perseus SDR - 800m Beverage Antenna - Remote QTH Finland

Offline SkyWalker

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Offline Token

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Re: 4020 USB UNID Tone/Alarm? 03/02/16 0114 UTC
« Reply #2 on: February 11, 2017, 2304 UTC »
Has been active since Feb 02, 2017.  Suspected Russian military, similar to The Pip, Squeaky Wheel, and Buzzer.  Voice has been heard also, but so far only test counts have been reported.  Digital signals have been noted, such as CIS 36-50 FSK, however those are probably not part of this transmission (I think absolutely not, but has not been proven yet), rather just co-channel stations.

T!
T!
Mojave Desert, California USA

Offline SkyWalker

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Re: 4020 USB UNID Tone/Alarm? 03/02/16 0114 UTC
« Reply #3 on: February 12, 2017, 1823 UTC »
Now is off line  :o
Ended trasmition?